Research Progress on Shell Mold Making Technology of Investment Casting
Author of the article:LIN Bo;CHEN Yunxiang
Author's Workplace：Zhejiang Institute of Mechanical and Electrical Engineering,Hangzhou 310053,China
Key Words：investment casting sodium silicate silica sol prospects 3D printing
Abstract：To investment casting molding shell preparation technology were analyzed and studied.At present,the methods used include sodium silicate shell making process,silica sol shell making process,composite shell making process and 3D rapid printing shell process.In the future,the preparation technology of investment casting shell will be developed in the direction of reducing cost,improving strength,environmental protection and rapid preparation.
